2021707676

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 3701621952

約数和(自身を除く): 1679914276

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 421, 457, 842, 914, 1684, 1828, 2627, 5254, 10508, 15577, 16909, 29891, 31154, 32447, 33818, 59782, 62308, 64894, 67636, 119564, 129788, 192397, 384794, 769588, 1105967, 1200539, 2211934, 2401078, 4423868, 4802156, 7118689, 13660187, 14237378, 27320374, 28474756, 54640748, 505426919, 1010853838, 2021707676]

約数ペア:

[(1, 2021707676), (2, 1010853838), (4, 505426919), (37, 54640748), (71, 28474756), (74, 27320374), (142, 14237378), (148, 13660187), (284, 7118689), (421, 4802156), (457, 4423868), (842, 2401078), (914, 2211934), (1684, 1200539), (1828, 1105967), (2627, 769588), (5254, 384794), (10508, 192397), (15577, 129788), (16909, 119564), (29891, 67636), (31154, 64894), (32447, 62308), (33818, 59782)]